Deconvolution of In Vivo Ultrasound B-Mode Images
An algorithm for deconvolution of medical ultrasound images is presented. The procedure involves estimation of the basic one-dimensional ultrasound pulse, determining the ratio of the covariance of the noise to the covariance of the reflection signal, and finally deconvolution of the rf signal from...
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| Veröffentlicht in: | Ultrasonic imaging 1993-04, Vol.15 (2), p.122-133 |
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| container_title | Ultrasonic imaging |
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| creator | Jensen, J.A. Mathorne, J. Gravesen, T. Stage, B. |
| description | An algorithm for deconvolution of medical ultrasound images is presented. The procedure involves estimation of the basic one-dimensional ultrasound pulse, determining the ratio of the covariance of the noise to the covariance of the reflection signal, and finally deconvolution of the rf signal from the transducer. Using pulse and covariance estimators makes the approach self-calibrating, as all parameters for the procedure are estimated from the patient under investigation. An example of use on a clinical, in-vivo image is given. A 2 × 2 cm region of the portal vein in a liver is deconvolved. An increase in axial resolution by a factor of 2.4 is obtained. The procedure can also be applied to whole images, when it is ensured that the rf signal is properly measured. A method for doing that is outlined. |
| doi_str_mv | 10.1006/uimg.1993.1010 |
| format | Article |
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The procedure involves estimation of the basic one-dimensional ultrasound pulse, determining the ratio of the covariance of the noise to the covariance of the reflection signal, and finally deconvolution of the rf signal from the transducer. Using pulse and covariance estimators makes the approach self-calibrating, as all parameters for the procedure are estimated from the patient under investigation. An example of use on a clinical, in-vivo image is given. A 2 × 2 cm region of the portal vein in a liver is deconvolved. An increase in axial resolution by a factor of 2.4 is obtained. The procedure can also be applied to whole images, when it is ensured that the rf signal is properly measured. A method for doing that is outlined.</description><subject>Adult</subject><subject>Algorithms</subject><subject>Biological and medical sciences</subject><subject>Female</subject><subject>Humans</subject><subject>Image Processing, Computer-Assisted</subject><subject>Investigative techniques, diagnostic techniques (general aspects)</subject><subject>Kidney - diagnostic imaging</subject><subject>Liver - diagnostic imaging</subject><subject>Male</subject><subject>Mathematics</subject><subject>Medical sciences</subject><subject>Miscellaneous. 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The procedure involves estimation of the basic one-dimensional ultrasound pulse, determining the ratio of the covariance of the noise to the covariance of the reflection signal, and finally deconvolution of the rf signal from the transducer. Using pulse and covariance estimators makes the approach self-calibrating, as all parameters for the procedure are estimated from the patient under investigation. An example of use on a clinical, in-vivo image is given. A 2 × 2 cm region of the portal vein in a liver is deconvolved. An increase in axial resolution by a factor of 2.4 is obtained. The procedure can also be applied to whole images, when it is ensured that the rf signal is properly measured. A method for doing that is outlined.</abstract><cop>Silver Spring, MD</cop><pub>Elsevier Inc</pub><pmid>8346610</pmid><doi>10.1006/uimg.1993.1010</doi><tpages>12</tpages></addata></record> |
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| ispartof | Ultrasonic imaging, 1993-04, Vol.15 (2), p.122-133 |
| issn | 0161-7346 1096-0910 |
| language | eng |
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| source | MEDLINE; SAGE Complete A-Z List; Alma/SFX Local Collection |
| subjects | Adult Algorithms Biological and medical sciences Female Humans Image Processing, Computer-Assisted Investigative techniques, diagnostic techniques (general aspects) Kidney - diagnostic imaging Liver - diagnostic imaging Male Mathematics Medical sciences Miscellaneous. Technology Pregnancy Ultrasonic investigative techniques Ultrasonography Ultrasonography, Prenatal |
| title | Deconvolution of In Vivo Ultrasound B-Mode Images |
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